code: def testResolveSingleChannel_NoExecutions(self):
      self.put_context("pipeline", "my-pipeline")
      ch = self.make_channel_spec(
          """
        context_queries {
          type {
            name: "pipeline"
          }
          name {
            field_value {
              string_value: "my-pipeline"
            }
          }
        }
        artifact_query {
          type {
            name: "Examples"
          }
        }
      """
      )
      resolved = channel_resolver.resolve_single_channel(
          self.mlmd_handle, ch
      )
      self.assertEmpty(resolved)
  
file_path: tfx/tfx/orchestration/portable/input_resolution/channel_resolver_test.py
imports: import tensorflow
  from tfx.orchestration.portable.input_resolution import channel_resolver
  from tfx.proto.orchestration import pipeline_pb2
  from tfx.utils import test_case_utils
  from google.protobuf import text_format
label_desc: Use image node_id 8 for calling the ChannelResolverTest obj's underlying member method code with example usage: obj.testResolveSingleChannel_NoExecutions() without return types